Title:
管体を製造するための方法
Document Type and Number:
Japanese Patent JP4204070
Kind Code:
B2
Abstract:
In a method of manufacturing a multi-layered tubular products (8) with one or more interior, dividing walls forming adjacent longitudinal chambers, a tube (6) or cut tube section for forming a dividing wall is attached parallel to a film strip (1) or film strip section cut to length and then the side walls of the film strip or strip section are joined together to form a tube (8) around the tubular dividing wall creating two or more chambers (C,D,E). The completed tubular structure can then be cut to length or cut sections may be joined together to form a longer tube. Also claimed is a variation where a second dividing wall strip is attached to the film strip (1) and the first dividing wall so that when the film strip is joined at the ends three parallel chambers are created whose walls lie close together.
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Inventors:
Gerhard Keller
Application Number:
JP52319798A
Publication Date:
January 07, 2009
Filing Date:
November 17, 1997
Export Citation:
Assignee:
AISA Automation Industrielle S.A.
International Classes:
B29D23/00; B29C53/38; B29D23/20; B65B29/10; B65D35/22
Domestic Patent References:
| JP11508857A | ||||
| JP245370A | ||||
| JP61141533A | ||||
| JP5890061A |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Toshiomi Yamazaki
Takuya Kuno
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